Question: QUESTION THREE (25 MARKS) Note: Ensure you show your formulars and working. Also, note that you can represent the following symbols as follows: ^ for

 QUESTION THREE (25 MARKS) Note: Ensure you show your formulars and

QUESTION THREE (25 MARKS) Note: Ensure you show your formulars and working. Also, note that you can represent the following symbols as follows: ^ for the exponent symbol, x*2 instead of x; 2'as 2^2; division as / or + ; individually as + or -; vb as square root of b. Any other symbol that you find difficult can be typed out in words 3.1 Given that a line AB passes through points A (-3, 1) and B (-1, 5): a. Find the gradient of the line AB. (5) b. Find the equation of the line AB. C. Determine the midpoint of AB. 3.2 Evaluate the following limits 7-10x+21 a. lim (5) 2x-3x-9 b. lim

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